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Frequently asked questions
How much smaller will my video get?
It depends on the source, but typical results shrink a video by 40-70% with a modest, usually unnoticeable quality trade-off at normal viewing size.
Is there a file size limit?
No hard limit, but very large videos (500MB+) may be slow or hit your browser’s available memory, since processing happens on your own device.
Why does the first use take longer?
The first video tool you use downloads FFmpeg.wasm (about 25MB). Your browser caches it, so every tool after that starts instantly.